Taillight for a bicycle



FIG. 1 is a front view of a taillight for a bicycle showing our mydesign;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a perspective view thereof.

The ornamental design for a taillight for a bicycle, as shown.